Updated openstack/openstack
Project: openstack/oslo.messaging  57ebe0d83d2a49b64ae5ee008565429d6c08d330
null
Clean up for qpid tests

Use the config object in the base class, and define a local
base class for managing connections instead of repeating
that code in several places.

Change-Id: I7816a467da449ba172dbaa23e58b511adc1ba40a